Year	U.S. dollars (Billions)
1992	4.476
1993	6.897
1994	8.175
1995	12.746
1996	17.453
1997	18.433
1998	18.738
1999	21.362
2000	17.195
2001	14.581
2002	12.106
2003	12.697
2004	15.045
2005	17.939
2006	21.344
2007	27.963
2008	35.858
2009	41.945
2010	49.772
2011	60.213
2012	67.520
2013	73.192
2014	80.848
2015	85.662
2016	85.658
2017	62.081
2018	52.870
2019	60.284
2020	60.225
2021	69.601
2022	81.167
2023	90.882
2024	97.956
2025	109.853
2026	123.097
2027	137.552
2028	153.740
2029	170.314